[INFO] cloning repository https://github.com/Danite/Dwarf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Danite/Dwarf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanite%2FDwarf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanite%2FDwarf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 166486531a425e3e847df43de0d8fbd59cdb8e0e
[INFO] checking Danite/Dwarf against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanite%2FDwarf" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Danite/Dwarf on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Danite/Dwarf
[INFO] finished tweaking git repo https://github.com/Danite/Dwarf
[INFO] tweaked toml for git repo https://github.com/Danite/Dwarf written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Danite/Dwarf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6de451b4b9497825ffcce8ce7368628b5cd824148dba6baf22a7508998092dc
[INFO] running `Command { std: "docker" "start" "-a" "c6de451b4b9497825ffcce8ce7368628b5cd824148dba6baf22a7508998092dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6de451b4b9497825ffcce8ce7368628b5cd824148dba6baf22a7508998092dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6de451b4b9497825ffcce8ce7368628b5cd824148dba6baf22a7508998092dc", kill_on_drop: false }`
[INFO] [stdout] c6de451b4b9497825ffcce8ce7368628b5cd824148dba6baf22a7508998092dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c073b4b19f3565afc76e8fdca2f396e59ed0aa3bfca8463fdbee7d1bd96eec6a
[INFO] running `Command { std: "docker" "start" "-a" "c073b4b19f3565afc76e8fdca2f396e59ed0aa3bfca8463fdbee7d1bd96eec6a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking dwarf-dns-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `position`
[INFO] [stdout]   --> src/components/byte_packet_buffer.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn position(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `step`
[INFO] [stdout]   --> src/components/byte_packet_buffer.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn step(&mut self, step: usize) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `seek`
[INFO] [stdout]   --> src/components/byte_packet_buffer.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn seek(&mut self, position: usize) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/components/byte_packet_buffer.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn get(&self, position: usize) -> Result<u8, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_range`
[INFO] [stdout]   --> src/components/byte_packet_buffer.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn get_range(&self, start: usize, end: usize) -> Result<&[u8], Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_u32`
[INFO] [stdout]   --> src/components/byte_packet_buffer.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn read_u32(&mut self) -> Result<u32, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_qname`
[INFO] [stdout]   --> src/components/byte_packet_buffer.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn read_qname(&mut self, outstr: &mut String) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `position`
[INFO] [stdout]   --> src/components/byte_packet_buffer.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn position(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `step`
[INFO] [stdout]   --> src/components/byte_packet_buffer.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn step(&mut self, step: usize) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `seek`
[INFO] [stdout]   --> src/components/byte_packet_buffer.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn seek(&mut self, position: usize) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/components/byte_packet_buffer.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn get(&self, position: usize) -> Result<u8, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_range`
[INFO] [stdout]   --> src/components/byte_packet_buffer.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn get_range(&self, start: usize, end: usize) -> Result<&[u8], Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_u32`
[INFO] [stdout]   --> src/components/byte_packet_buffer.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn read_u32(&mut self) -> Result<u32, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_qname`
[INFO] [stdout]   --> src/components/byte_packet_buffer.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn read_qname(&mut self, outstr: &mut String) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "c073b4b19f3565afc76e8fdca2f396e59ed0aa3bfca8463fdbee7d1bd96eec6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c073b4b19f3565afc76e8fdca2f396e59ed0aa3bfca8463fdbee7d1bd96eec6a", kill_on_drop: false }`
[INFO] [stdout] c073b4b19f3565afc76e8fdca2f396e59ed0aa3bfca8463fdbee7d1bd96eec6a